"Pseudo-MPEC" for MRfB109
Created 2026 Sep 15 3:35:11 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
MRfB109* C2026 09 08.84097202 04 56.607-01 07 24.51 ~9EFo 21.65rWNEOCPO18
MRfB109 C2026 09 08.90672502 05 03.193-01 05 34.08 ~9EFo 22.07gWNEOCPO18
MRfB109 C2026 09 10.77647002 08 22.379-00 11 42.82 ~9EFo 21.63gWNEOCPO18
MRfB109 C2026 09 10.90714102 08 35.361-00 07 50.57 ~9EFo 21.25rWNEOCPO18
MRfB109 C2026 09 11.77539402 10 08.082+00 18 18.57 ~9EFo 21.20rWNEOCPO18
MRfB109 C2026 09 11.91429402 10 21.855+00 22 33.42 ~9EFo 21.87gWNEOCPO18
MRfB109 KC2026 09 13.33133502 12 52.04 +01 06 54.4 ~9EFo 21.6 GVNEOCPH21
MRfB109 KC2026 09 13.33999702 12 52.86 +01 07 10.4 ~9EFo 21.5 GVNEOCPH21
Station data:
(H21) Astronomical Research Observatory, Westfield (N39.483054 W87.968270)
US/Illinois. Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T.
Linder, R. Holmes. 0.40-m f/5.32 astrograph + CCD.
(O18) WFST, Lenghu (N38.607601 E93.895220) China. Observers K. Yan, Z. Q.
Li, J. Z. Zhu, N. Jiang, Z. Y. Liu. Measurers B. Li, H. B. Zhao, Z. J. Xu,
G. T. Zhaori. 2.5-m f/2.48 reflector + CCD.
Orbital elements: MRfB109
Perihelion 2026 Oct 30.919244 +/- 0.191 TT = 22:03:42.6 (JD 2461344.419244)
Epoch 2026 Sep 13.0 TT = JDT 2461296.5 Earth MOID: 0.2437 Ju: 0.8722
M 350.766040607 +/- 0.34 Ma: 0.0696 AutoNEOCP
n 0.192698353 +/- 0.00667 Peri. 23.897822 +/- 0.21
a 2.968593373 +/- 0.0685 Node 18.445523 +/- 0.08
e 0.58751793 +/- 0.00858 Incl. 12.323539 +/- 0.07
P 5.11477 H 21.41 G 0.15 U 9.4
q 1.224491538 +/- 0.00283 Q 4.712695208 +/- 0.134 (J2000 ecliptic)
From 8 observations 2026 Sept. 8-13; mean residual 0".17
Residuals in arcseconds: 260908 O18 .09- .04- 260910 O18 .17- .15- 260913 H21 .28+ .30+ 260908 O18 .10+ .01+ 260911 O18 .04+ .03- 260913 H21 .24- .31- 260910 O18 .18+ .20+ 260911 O18 .11- .03+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 09 15 04 02 16 05.038 +02 07 25.19 .40718 1.3375 138.3 21.4 1.18 137 2026 09 15 05 02 16 09.418 +02 08 49.65 .40689 1.3373 138.3 21.4 1.21 137 2026 09 15 06 02 16 13.797 +02 10 14.22 .40661 1.3371 138.3 21.4 1.23 137 2026 09 15 07 02 16 18.176 +02 11 38.89 .40633 1.3369 138.3 21.4 1.26 137 2026 09 15 08 02 16 22.554 +02 13 03.66 .40605 1.3367 138.4 21.4 1.29 137 2026 09 15 09 02 16 26.932 +02 14 28.54 .40577 1.3365 138.4 21.4 1.32 137 2026 09 15 10 02 16 31.310 +02 15 53.53 .40549 1.3363 138.4 21.4 1.35 137 2026 09 15 11 02 16 35.688 +02 17 18.61 .40520 1.3361 138.4 21.4 1.38 137 2026 09 15 12 02 16 40.065 +02 18 43.81 .40492 1.3359 138.4 21.4 1.41 137 2026 09 15 13 02 16 44.443 +02 20 09.11 .40464 1.3357 138.5 21.4 1.44 137 2026 09 15 14 02 16 48.819 +02 21 34.51 .40436 1.3355 138.5 21.4 1.47 137 2026 09 15 15 02 16 53.196 +02 23 00.02 .40408 1.3353 138.5 21.4 1.50 137 2026 09 15 16 02 16 57.572 +02 24 25.64 .40380 1.3352 138.5 21.4 1.53 137 2026 09 15 17 02 17 01.948 +02 25 51.36 .40352 1.3350 138.5 21.4 1.56 137 2026 09 15 18 02 17 06.323 +02 27 17.19 .40324 1.3348 138.5 21.4 1.59 137 2026 09 15 19 02 17 10.699 +02 28 43.13 .40296 1.3346 138.6 21.4 1.63 137 2026 09 15 20 02 17 15.074 +02 30 09.17 .40269 1.3344 138.6 21.4 1.66 137 2026 09 15 21 02 17 19.449 +02 31 35.31 .40241 1.3342 138.6 21.4 1.69 137 2026 09 15 22 02 17 23.823 +02 33 01.57 .40213 1.3340 138.6 21.4 1.72 137 2026 09 15 23 02 17 28.197 +02 34 27.93 .40185 1.3338 138.6 21.4 1.76 137 2026 09 16 00 02 17 32.571 +02 35 54.39 .40157 1.3336 138.6 21.4 1.79 137 2026 09 16 01 02 17 36.945 +02 37 20.97 .40130 1.3335 138.7 21.4 1.82 137 2026 09 16 02 02 17 41.318 +02 38 47.65 .40102 1.3333 138.7 21.4 1.86 137 2026 09 16 03 02 17 45.691 +02 40 14.43 .40074 1.3331 138.7 21.3 1.89 137 2026 09 16 04 02 17 50.064 +02 41 41.33 .40046 1.3329 138.7 21.3 1.93 137 2026 09 16 05 02 17 54.436 +02 43 08.33 .40019 1.3327 138.7 21.3 1.96 137 2026 09 16 06 02 17 58.808 +02 44 35.43 .39991 1.3325 138.8 21.3 2.00 137 2026 09 16 07 02 18 03.180 +02 46 02.65 .39963 1.3323 138.8 21.3 2.03 137 2026 09 16 08 02 18 07.552 +02 47 29.97 .39936 1.3321 138.8 21.3 2.07 137 2026 09 16 09 02 18 11.923 +02 48 57.40 .39908 1.3319 138.8 21.3 2.11 137 2026 09 16 10 02 18 16.294 +02 50 24.94 .39881 1.3318 138.8 21.3 2.14 137 2026 09 16 11 02 18 20.665 +02 51 52.59 .39853 1.3316 138.8 21.3 2.18 137 2026 09 16 12 02 18 25.036 +02 53 20.34 .39826 1.3314 138.9 21.3 2.22 137 2026 09 16 13 02 18 29.406 +02 54 48.20 .39798 1.3312 138.9 21.3 2.26 137 2026 09 16 14 02 18 33.776 +02 56 16.17 .39771 1.3310 138.9 21.3 2.29 137 2026 09 16 15 02 18 38.145 +02 57 44.25 .39743 1.3308 138.9 21.3 2.33 137 2026 09 16 16 02 18 42.515 +02 59 12.43 .39716 1.3306 138.9 21.3 2.37 137 2026 09 16 17 02 18 46.884 +03 00 40.73 .39689 1.3304 139.0 21.3 2.41 137 2026 09 16 18 02 18 51.253 +03 02 09.13 .39661 1.3303 139.0 21.3 2.45 138 2026 09 16 19 02 18 55.621 +03 03 37.64 .39634 1.3301 139.0 21.3 2.49 138 2026 09 16 20 02 18 59.989 +03 05 06.26 .39607 1.3299 139.0 21.3 2.53 138 2026 09 16 21 02 19 04.357 +03 06 34.99 .39579 1.3297 139.0 21.3 2.57 138 2026 09 16 22 02 19 08.725 +03 08 03.83 .39552 1.3295 139.0 21.3 2.61 138 2026 09 16 23 02 19 13.092 +03 09 32.77 .39525 1.3293 139.1 21.3 2.65 138 2026 09 17 00 02 19 17.460 +03 11 01.83 .39498 1.3291 139.1 21.3 2.69 138 2026 09 17 01 02 19 21.826 +03 12 30.99 .39471 1.3289 139.1 21.3 2.74 138 2026 09 17 02 02 19 26.193 +03 14 00.27 .39443 1.3288 139.1 21.3 2.78 138 2026 09 17 03 02 19 30.559 +03 15 29.65 .39416 1.3286 139.1 21.3 2.82 138